Engine-CodesGMC – B0267 GMC

B0267 GMC Code - Air Flow Control 6 Circuit Open

Quick Answer

The B0267 GMC diagnostic trouble code (DTC) indicates that there is an open circuit in the Air Flow Control 6 circuit. Common causes include Faulty Air Flow Control 6 Sensor: A malfunctioning sensor can cause the circuit to remain open, triggering the B0267 code, Damaged Wiring or Connectors: Physical damage to the wiring or connectors in the Air Flow Control 6 circuit can disrupt the electrical connection, ECM Malfunction: A malfunctioning engine control module (ECM) can also lead to an open circuit in the Air Flow Control 6 circuit. Severity is Low - monitor the vehicle and repair when practical. The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.

What it means
B0267 GMC indicates Air Flow Control 6 Circuit Open.
Common causes
Common causes include Faulty Air Flow Control 6 Sensor: A malfunctioning sensor can cause the circuit to remain open, triggering the B0267 code, Damaged Wiring or Connectors: Physical damage to the wiring or connectors in the Air Flow Control 6 circuit can disrupt the electrical connection, ECM Malfunction: A malfunctioning engine control module (ECM) can also lead to an open circuit in the Air Flow Control 6 circuit.
Severity
Low - monitor the vehicle and repair when practical.
Can I drive?
The vehicle can usually be driven if no severe symptoms are present, but symptoms should be checked before extended driving.
Table of contents Created and updated by William Orellana on Sep 17, 2024
💬 Need more help? Ask Auto Expert for instant answers — it's free!
AutoCodes App

Fix Your Car Smarter

Try the New AutoCodes App!

Get complete OBDII diagnostics, repair solutions, and cost estimates, plus AI chat support on demand.

AutoCodes App on Google Play

Code B0267 GMC Description

The B0267 GMC diagnostic trouble code (DTC) indicates that there is an open circuit in the Air Flow Control 6 circuit. This means that there is a disruption in the electrical connection that controls the airflow in the vehicle's system. The Air Flow Control 6 circuit is responsible for regulating the amount of air that enters the engine, which is crucial for proper combustion and engine performance. When this circuit is open, it can lead to issues with fuel efficiency, engine power, and overall vehicle performance.

OBDII Code B0267 GMC - Air Flow Control 6 Circuit Open
B0267 GMC Code - Air Flow Control 6 Circuit Open

Common Causes of B0267 GMC

  1. Faulty Air Flow Control 6 Sensor: A malfunctioning sensor can cause the circuit to remain open, triggering the B0267 code.
  2. Damaged Wiring or Connectors: Physical damage to the wiring or connectors in the Air Flow Control 6 circuit can disrupt the electrical connection.
  3. ECM Malfunction: A malfunctioning engine control module (ECM) can also lead to an open circuit in the Air Flow Control 6 circuit.
  4. Corrosion: Corrosion or moisture in the electrical connections can cause the circuit to open and trigger the code.
  5. Electrical Short: An electrical short in the circuit can also lead to an open circuit condition.

Symptoms of B0267 GMC

  1. Check Engine Light: The most common symptom associated with the B0267 code is the illumination of the check engine light on the vehicle's dashboard.
  2. Decreased Engine Performance: The vehicle may experience a decrease in engine power and acceleration due to the disrupted airflow control.
  3. Rough Idling: The engine may idle roughly or inconsistently when the Air Flow Control 6 circuit is open.
  4. Poor Fuel Efficiency: A decrease in fuel efficiency may be noticed as a result of the improper airflow regulation.
  5. Emissions Issues: The vehicle may fail an emissions test due to increased emissions caused by the open circuit.

How to Fix B0267 GMC

  1. Diagnose the Issue: Use a diagnostic scanner to retrieve the B0267 code and perform a thorough inspection of the Air Flow Control 6 circuit to identify the source of the open circuit.
  2. Replace Faulty Sensor: If the Air Flow Control 6 sensor is found to be faulty, replace it with a new sensor to restore proper airflow regulation.
  3. Repair Wiring or Connectors: Repair any damaged wiring or connectors in the circuit to ensure a solid electrical connection.
  4. Check ECM Functionality: Test the engine control module (ECM) to ensure it is functioning properly and replace it if necessary.
  5. Clear Codes and Test Drive: Clear the diagnostic trouble codes from the vehicle's ECM, and test drive the vehicle to ensure that the issue has been resolved.

Cost to Fix B0267 GMC

The typical repair costs for addressing the B0267 GMC code can vary depending on the specific cause of the issue and the labor rates at the auto repair shop. In general, the cost of replacing a faulty Air Flow Control 6 sensor can range from $100 to $300, while repairing damaged wiring or connectors may cost between $50 and $200. If the ECM needs to be replaced, the cost can be higher, ranging from $200 to $500 or more.

Need more information about the B0267 GMC code?

Need more information on how to fix the B0267 GMC code? Get Access to Factory Service Manuals

Need Help with the Code?

Get the B0267 GMC code diagnosed by a professional: Find a repair shop in your area

About the author: William Orellana is a Master Mechanic and Mechanical Engineer with over 30 years of experience diagnosing and repairing vehicles. Learn more about his background.

Frequently Asked Questions about B0267 GMC Code

1. What are the common symptoms of OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- Common symptoms include poor engine performance, rough idling, reduced fuel efficiency, and potential stalling.

2. What are the possible causes of OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- Potential causes include a faulty air flow control actuator, wiring issues, connector problems, or a malfunctioning powertrain control module (PCM).

3. How can I diagnose the cause of OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- Diagnosis typically involves checking the wiring and connectors related to the air flow control actuator, testing the actuator itself, and using a scan tool to communicate with the PCM.

4. Can I still drive my vehicle with OBDII code B0267 GMC (Air Flow Control 6 Circuit Open) present?

- It is generally not recommended to drive with this code present, as it can lead to further damage and potential safety issues due to poor engine performance.

5. How can I repair OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- Repair options may include replacing the faulty air flow control actuator, repairing or replacing damaged wiring or connectors, or reprogramming the PCM if necessary.

6. Will resetting the OBDII code B0267 GMC (Air Flow Control 6 Circuit Open) make the issue go away?

- Resetting the code may temporarily clear the warning light, but it will not fix the underlying issue causing the code to appear. Proper diagnosis and repair are necessary.

7. Are there any DIY tips for addressing OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- DIY tips may include checking the wiring and connectors for visible damage, ensuring proper connections, and referring to the vehicle's service manual for specific repair procedures.

8. Is OBDII code B0267 GMC (Air Flow Control 6 Circuit Open) a common issue in GMC vehicles?

- While not as common as some other OBDII codes, the Air Flow Control 6 Circuit Open can still occur in GMC vehicles, especially in older models or those with high mileage.

9. Can a mechanic easily fix OBDII code B0267 GMC (Air Flow Control 6 Circuit Open)?

- A qualified mechanic with experience in diagnosing and repairing electrical issues should be able to address OBDII code B0267 GMC effectively.

10. What happens if OBDII code B0267 GMC (Air Flow Control 6 Circuit Open) is left untreated?

- Leaving this code untreated can lead to continued poor engine performance, potential damage to other components, and may result in the vehicle failing emissions tests.

Discuss the causes and fixes for B0267 GMC OBDII Code

Code B0267 GMC comments

No comments found for this page.